APA (7th ed.) Citation

Gamow, G. (1965). Matter, earth, and sky (2nd ed.). Prentice-Hall.

Chicago Style (17th ed.) Citation

Gamow, George. Matter, Earth, and Sky. 2nd ed. Englewood Cliffs, NJ: Prentice-Hall, 1965.

MLA (9th ed.) Citation

Gamow, George. Matter, Earth, and Sky. 2nd ed. Prentice-Hall, 1965.